Found in a 90s Radio Electronics, this circuit can supply currents of a few amps, according to the power transistor. The power transistor must be equipped with a heat sink.
Here is an interesting circuit to be used in physics demonstrations involving energy...
This circuit, obtained from a 1978 publication, generates damped signals and can be used in...
We found this circuit in a manual of optoelectronics from Texas Instruments. In it photodiodes or...